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authorUlrich Drepper <drepper@redhat.com>2002-12-20 07:20:48 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-20 07:20:48 +0000
commit057c823fbef95bf0ddb2a33c109b82488390ecec (patch)
treee9b76159321c42f19e44737547353741fd0e6ec3
parent097eca29e8f769673b5ed1b335542719280a556e (diff)
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Update.
* sysdeps/unix/sysv/linux/i386/_exit.S: Use ENTER_KERNEL instead of int $0x80. * sysdeps/unix/sysv/linux/i386/getcontext.S: Likewise. * sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise. * sysdeps/unix/sysv/linux/i386/swapcontext.S: Likewise.
-rw-r--r--ChangeLog6
-rw-r--r--nptl/ChangeLog4
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h22
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h65
4 files changed, 75 insertions, 22 deletions
diff --git a/ChangeLog b/ChangeLog
index 64f1b81135..526a4fc470 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2002-12-19 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/sysv/linux/i386/_exit.S: Use ENTER_KERNEL instead of
+ int $0x80.
+ * sysdeps/unix/sysv/linux/i386/getcontext.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise.
+ * sysdeps/unix/sysv/linux/i386/swapcontext.S: Likewise.
+
* sysdeps/unix/sysv/linux/i386/sysdep.h: Add support to use AT_SYSINFO
information for system calls.
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 4e1ecf659d..ed7de44425 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,9 @@
2002-12-19 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/sysv/linux/i386/dl-sysdep.h: Don't define
+ NEED_DL_SYSINFO since no processor < i686 had the sysenter opcode.
+ * sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h: New file.
+
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Use ENTER_KERNEL instead
of int $0x80.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Likewise.
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
index f0d4ac7a88..d22db81eb6 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h
@@ -41,25 +41,3 @@
of weak definitions in ld.so. See rtld.c. */
#define RTLD_CORRECT_DYNAMIC_WEAK 1
-
-
-/* Traditionally system calls have been made using int $0x80. A
- second method was introduced which, if possible, will use the
- sysenter/syscall instructions. To signal the presence and where to
- find the code the kernel passes an AT_SYSINFO value in the
- auxiliary vector to the application. */
-#define NEED_DL_SYSINFO 1
-
-#if defined NEED_DL_SYSINFO && !defined __ASSEMBLER__
-extern void _dl_sysinfo_int80 (void) attribute_hidden;
-# define DL_SYSINFO_DEFAULT _dl_sysinfo_int80
-# define DL_SYSINFO_IMPLEMENTATION \
- asm (".type _dl_sysinfo_int80,@function\n\t" \
- ".hidden _dl_sysinfo_int80\n" \
- "_dl_sysinfo_int80:\n\t" \
- "int $0x80;\n\t" \
- "ret;\n\t" \
- ".size _dl_sysinfo_int80,.-_dl_sysinfo_int80");
-#endif
-
-#endif /* dl-sysdep.h */
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h
new file mode 100644
index 0000000000..f0d4ac7a88
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h
@@ -0,0 +1,65 @@
+/* System-specific settings for dynamic linker code. Generic version.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _DL_SYSDEP_H
+#define _DL_SYSDEP_H 1
+
+/* This macro must be defined to either 0 or 1.
+
+ If 1, then an errno global variable hidden in ld.so will work right with
+ all the errno-using libc code compiled for ld.so, and there is never a
+ need to share the errno location with libc. This is appropriate only if
+ all the libc functions that ld.so uses are called without PLT and always
+ get the versions linked into ld.so rather than the libc ones. */
+
+#ifdef IS_IN_rtld
+# define RTLD_PRIVATE_ERRNO 1
+#else
+# define RTLD_PRIVATE_ERRNO 0
+#endif
+
+/* This configuration has in libc.so cancellable functions and other
+ functions which have to behave differently if the application uses
+ threads. It is not necessary that the thread library's definitions
+ are used. Therefore we can finally enabled the correct handling
+ of weak definitions in ld.so. See rtld.c. */
+
+#define RTLD_CORRECT_DYNAMIC_WEAK 1
+
+
+/* Traditionally system calls have been made using int $0x80. A
+ second method was introduced which, if possible, will use the
+ sysenter/syscall instructions. To signal the presence and where to
+ find the code the kernel passes an AT_SYSINFO value in the
+ auxiliary vector to the application. */
+#define NEED_DL_SYSINFO 1
+
+#if defined NEED_DL_SYSINFO && !defined __ASSEMBLER__
+extern void _dl_sysinfo_int80 (void) attribute_hidden;
+# define DL_SYSINFO_DEFAULT _dl_sysinfo_int80
+# define DL_SYSINFO_IMPLEMENTATION \
+ asm (".type _dl_sysinfo_int80,@function\n\t" \
+ ".hidden _dl_sysinfo_int80\n" \
+ "_dl_sysinfo_int80:\n\t" \
+ "int $0x80;\n\t" \
+ "ret;\n\t" \
+ ".size _dl_sysinfo_int80,.-_dl_sysinfo_int80");
+#endif
+
+#endif /* dl-sysdep.h */